Air Source Screw Water Chiller Unit – Installation Operation and Maintenance Manual
72
The indicators on the right of the panel are described as follows:
(1) The yellow indicator is the power indicator. It keeps steady on in normal conditions. If it is off, check
whether the power cable is connected correctly.
(2) The green indicator is the running indicator of the touchscreen. It blinks at a low frequency in normal
conditions.
(3) The red indicator is the communication indicator. It blinks at a high frequency in normal conditions. If it
is in other states, check whether the communication cable of the controller is correctly and securely
connected to the panel.
After the system initialization is complete, click ENTER. The keypad is displayed, prompting you to enter
the password, as shown in the following figure.
Power indicator
Running indicator
Communication
indicator
Controller
and
HMI
program's
version number
This message indicates that the
system is in the initialization process
and blinks once every second. This
process may take about 30 seconds.